Safety is always my primary concern.A:secondary B:leastC:last D:chief

Safety is always my primary concern.

A:secondary
B:least
C:last
D:chief

参考解析

解析:安全总是我首要关心的事。primary“首要的”。secondary“次要的”,例如:a question of secondary importance次要的问题。least“最小的”,例如:The least noise could startle the timid dog.很小的声音也会吓住这只胆小的狗。last“最后的”,例如:Save the best for the last.把最好的留在最后。chief“主要的”,最符合题意,例如:a chief source of information信息主要来源。

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